Marble game board



FIG. 1 is a top plan view of a marble game board showing my new design;

FIG. 2 is a side elevational view thereof, the other sides beingidentical;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an enlarged cross sectional view thereof, taken along line4--4 of FIG. 1; and,

FIG. 5 is an enlarged cross sectional view thereof, taken on line 5--5of FIG. 1.

The ornamental design for a marble game board, as shown and described.